/Engine/Source/Runtime/Engine/Classes/Animation/AnimData/IAnimationDataController.h
Removes an existing bone animation track with the provided name. Broadcasts a EAnimDataModelNotifyType::TrackChanged notify if successful. The provided number of keys provided is expected to match for each component, and be non-zero.
Whether or not the keys were successfully set
bool SetBoneTrackKeys ( [FName](API\Runtime\Core\UObject\FName) BoneName, const [TArray](API\Runtime\Core\Containers\TArray)< FVector > & PositionalKeys, const [TArray](API\Runtime\Core\Containers\TArray)< FQuat > & RotationalKeys, const [TArray](API\Runtime\Core\Containers\TArray)< FVector > & ScalingKeys, bool bShouldTransact )